X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fferoceon.c;h=2bd2824ec8e3623ece715119f30fedccf41e9327;hp=c87320ae8cf1fce3c03eae2d24e8e9c4d08c8796;hb=56504fdd7353732525e34f1e3fbd44346588f979;hpb=c526c43c43f225349f78f13cfcf01abf1b193096 diff --git a/src/target/feroceon.c b/src/target/feroceon.c index c87320ae8c..2bd2824ec8 100644 --- a/src/target/feroceon.c +++ b/src/target/feroceon.c @@ -2,6 +2,9 @@ * Copyright (C) 2008 by Marvell Semiconductors, Inc. * * Written by Nicolas Pitre * * * + * Copyright (C) 2008 by Hongtao Zheng * + * hontor@126.com * + * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * @@ -19,7 +22,7 @@ ***************************************************************************/ /* - * Marvell Feroceon (88F5182, 88F5281) support. + * Marvell Feroceon support, including Orion and Kirkwood SOCs. * * The Feroceon core mimics the ARM926 ICE interface with the following * differences: @@ -47,18 +50,26 @@ #endif #include "arm926ejs.h" -#include "jtag.h" -#include "log.h" -#include "arm_simulator.h" -#include -#include -int feroceon_examine(struct command_context_s *cmd_ctx, struct target_s *target); -int feroceon_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target); +int feroceon_examine(struct target_s *target); +int feroceon_target_create(struct target_s *target, Jim_Interp *interp); int feroceon_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffer); int feroceon_init_target(struct command_context_s *cmd_ctx, struct target_s *target); -int feroceon_quit(); +int feroceon_quit(void); + +int feroceon_assert_reset(target_t *target) +{ + armv4_5_common_t *armv4_5 = target->arch_info; + arm7_9_common_t *arm7_9 = armv4_5->arch_info; + int ud = arm7_9->use_dbgrq; + + arm7_9->use_dbgrq = 0; + if (target->reset_halt) + arm7_9_halt(target); + arm7_9->use_dbgrq = ud; + return arm7_9_assert_reset(target); +} target_type_t feroceon_target = { @@ -73,10 +84,10 @@ target_type_t feroceon_target = .resume = arm7_9_resume, .step = arm7_9_step, - .assert_reset = arm7_9_assert_reset, + .assert_reset = feroceon_assert_reset, .deassert_reset = arm7_9_deassert_reset, .soft_reset_halt = arm926ejs_soft_reset_halt, - + .get_gdb_reg_list = armv4_5_get_gdb_reg_list, .read_memory = arm7_9_read_memory, @@ -84,7 +95,7 @@ target_type_t feroceon_target = .bulk_write_memory = feroceon_bulk_write_memory, .checksum_memory = arm7_9_checksum_memory, .blank_check_memory = arm7_9_blank_check_memory, - + .run_algorithm = armv4_5_run_algorithm, .add_breakpoint = arm7_9_add_breakpoint, @@ -93,7 +104,7 @@ target_type_t feroceon_target = .remove_watchpoint = arm7_9_remove_watchpoint, .register_commands = arm926ejs_register_commands, - .target_command = feroceon_target_command, + .target_create = feroceon_target_create, .init_target = feroceon_init_target, .examine = feroceon_examine, .quit = feroceon_quit @@ -106,51 +117,51 @@ int feroceon_dummy_clock_out(arm_jtag_t *jtag_info, u32 instr) u8 out_buf[4]; u8 instr_buf[4]; u8 sysspeed_buf = 0x0; - + /* prepare buffer */ buf_set_u32(out_buf, 0, 32, 0); - + buf_set_u32(instr_buf, 0, 32, flip_u32(instr, 32)); - - jtag_add_end_state(TAP_PD); + + jtag_add_end_state(TAP_DRPAUSE); arm_jtag_scann(jtag_info, 0x1); - + arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL); - - fields[0].device = jtag_info->chain_pos; + + fields[0].tap = jtag_info->tap; fields[0].num_bits = 32; fields[0].out_value = out_buf; - fields[0].out_mask = NULL; + fields[0].in_value = NULL; - fields[0].in_handler = NULL; - fields[0].in_handler_priv = NULL; - fields[0].in_check_value = NULL; - fields[0].in_check_mask = NULL; - fields[1].device = jtag_info->chain_pos; + + + + + fields[1].tap = jtag_info->tap; fields[1].num_bits = 3; fields[1].out_value = &sysspeed_buf; - fields[1].out_mask = NULL; + fields[1].in_value = NULL; - fields[1].in_check_value = NULL; - fields[1].in_check_mask = NULL; - fields[1].in_handler = NULL; - fields[1].in_handler_priv = NULL; - - fields[2].device = jtag_info->chain_pos; + + + + + + fields[2].tap = jtag_info->tap; fields[2].num_bits = 32; fields[2].out_value = instr_buf; - fields[2].out_mask = NULL; + fields[2].in_value = NULL; - fields[2].in_check_value = NULL; - fields[2].in_check_mask = NULL; - fields[2].in_handler = NULL; - fields[2].in_handler_priv = NULL; + + + + - jtag_add_dr_scan(3, fields, -1); + jtag_add_dr_scan(3, fields, TAP_INVALID); + + /* no jtag_add_runtest(0, TAP_INVALID) here */ - /* no jtag_add_runtest(0, -1) here */ - return ERROR_OK; } @@ -159,9 +170,9 @@ void feroceon_change_to_arm(target_t *target, u32 *r0, u32 *pc) armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; arm_jtag_t *jtag_info = &arm7_9->jtag_info; - + /* - * save r0 before using it and put system in ARM state + * save r0 before using it and put system in ARM state * to allow common handling of ARM and THUMB debugging */ @@ -206,7 +217,7 @@ void feroceon_read_core_regs(target_t *target, u32 mask, u32* core_regs[16]) armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; arm_jtag_t *jtag_info = &arm7_9->jtag_info; - + arm9tdmi_clock_out(jtag_info, ARMV4_5_STMIA(0, mask & 0xffff, 0, 0), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); @@ -261,7 +272,7 @@ void feroceon_read_xpsr(target_t *target, u32 *xpsr, int spsr) armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; arm_jtag_t *jtag_info = &arm7_9->jtag_info; - + arm9tdmi_clock_out(jtag_info, ARMV4_5_MRS(0, spsr & 1), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); @@ -284,7 +295,7 @@ void feroceon_write_xpsr(target_t *target, u32 xpsr, int spsr) armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; arm_jtag_t *jtag_info = &arm7_9->jtag_info; - + LOG_DEBUG("xpsr: %8.8x, spsr: %i", xpsr, spsr); arm9tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr & 0xff, 0, 1, spsr), 0, NULL, 0); @@ -343,7 +354,7 @@ void feroceon_write_core_regs(target_t *target, u32 mask, u32 core_regs[16]) armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; arm_jtag_t *jtag_info = &arm7_9->jtag_info; - + arm9tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, mask & 0xffff, 0, 0), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); @@ -375,12 +386,13 @@ void feroceon_branch_resume(target_t *target) void feroceon_branch_resume_thumb(target_t *target) { LOG_DEBUG("-"); - + armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; arm_jtag_t *jtag_info = &arm7_9->jtag_info; u32 r0 = buf_get_u32(armv4_5->core_cache->reg_list[0].value, 0, 32); u32 pc = buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32); + (void)(r0); // use R0... arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0); @@ -395,7 +407,7 @@ void feroceon_branch_resume_thumb(target_t *target) arm9tdmi_clock_out(jtag_info, ARMV4_5_T_LDMIA(0, 0x1), 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0); - + arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, pc, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0); @@ -458,23 +470,10 @@ void feroceon_set_dbgrq(target_t *target) embeddedice_store_reg(dbg_ctrl); } -void feroceon_enable_single_step(target_t *target) +void feroceon_enable_single_step(target_t *target, u32 next_pc) { armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; - u32 next_pc; - - /* calculate PC of next instruction */ - if (arm_simulate_step(target, &next_pc) != ERROR_OK) - { - u32 current_pc, current_opcode; - current_pc = buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32); - target_read_u32(target, current_pc, ¤t_opcode); - LOG_ERROR("BUG: couldn't calculate PC of next instruction, " - "current opcode is 0x%8.8x", current_opcode); - next_pc = current_pc; - } - arm7_9_restore_context(target); /* set a breakpoint there */ embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_W0_ADDR_VALUE], next_pc); @@ -509,17 +508,18 @@ int feroceon_examine_debug_reason(target_t *target) int feroceon_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffer) { + int retval; armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; enum armv4_5_state core_state = armv4_5->core_state; u32 x, flip, shift, save[7]; - int i; + u32 i; /* * We can't use the dcc flow control bits, so let's transfer data * with 31 bits and flip the MSB each time a new data word is sent. */ - static u32 dcc_code[] = + static u32 dcc_code[] = { 0xee115e10, /* 3: mrc p14, 0, r5, c1, c0, 0 */ 0xe3a0301e, /* 1: mov r3, #30 */ @@ -543,7 +543,7 @@ int feroceon_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buf 0xeafffff3, /* b 3b */ }; - int dcc_size = sizeof(dcc_code); + u32 dcc_size = sizeof(dcc_code); if (!arm7_9->dcc_downloads) return target->type->write_memory(target, address, 4, count, buffer); @@ -565,7 +565,10 @@ int feroceon_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buf target_buffer_set_u32(target, dcc_code_buf + i*4, dcc_code[i]); /* write DCC code to working area */ - target->type->write_memory(target, arm7_9->dcc_working_area->address, 4, dcc_size, dcc_code_buf); + if((retval = target->type->write_memory(target, arm7_9->dcc_working_area->address, 4, dcc_size/4, dcc_code_buf)) != ERROR_OK) + { + return retval; + } } /* backup clobbered processor state */ @@ -579,7 +582,7 @@ int feroceon_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buf armv4_5->core_cache->reg_list[0].dirty = 1; armv4_5->core_state = ARMV4_5_STATE_ARM; - embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], 0); + embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], 0); arm7_9_resume(target, 0, arm7_9->dcc_working_area->address, 1, 1); /* send data over */ @@ -590,12 +593,12 @@ int feroceon_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buf { u32 y = target_buffer_get_u32(target, buffer); u32 z = (x >> 1) | (y >> shift) | (flip ^= 0x80000000); - embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], z); + embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], z); x = y << (32 - shift); if (++shift >= 32 || i + 1 >= count) { z = (x >> 1) | (flip ^= 0x80000000); - embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], z); + embeddedice_write_reg(&arm7_9->eice_cache->reg_list[EICE_COMMS_DATA], z); x = 0; shift = 1; } @@ -627,34 +630,18 @@ int feroceon_init_target(struct command_context_s *cmd_ctx, struct target_s *tar return ERROR_OK; } -int feroceon_quit() +int feroceon_quit(void) { return ERROR_OK; } -int feroceon_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target) +int feroceon_target_create(struct target_s *target, Jim_Interp *interp) { - int chain_pos; - char *variant = NULL; armv4_5_common_t *armv4_5; arm7_9_common_t *arm7_9; - arm926ejs_common_t *arm926ejs = malloc(sizeof(arm926ejs_common_t)); - memset(arm926ejs, 0, sizeof(*arm926ejs)); - - if (argc < 4) - { - LOG_ERROR("'target arm926ejs' requires at least one additional argument"); - exit(-1); - } - - chain_pos = strtoul(args[3], NULL, 0); - - if (argc >= 5) - variant = args[4]; - - LOG_DEBUG("chain_pos: %i, variant: %s", chain_pos, variant); - - arm926ejs_init_arch_info(target, arm926ejs, chain_pos, variant); + arm926ejs_common_t *arm926ejs = calloc(1,sizeof(arm926ejs_common_t)); + + arm926ejs_init_arch_info(target, arm926ejs, target->tap); armv4_5 = target->arch_info; arm7_9 = armv4_5->arch_info; @@ -687,43 +674,42 @@ int feroceon_target_command(struct command_context_s *cmd_ctx, char *cmd, char * arm7_9->set_special_dbgrq = feroceon_set_dbgrq; /* only one working comparator */ - arm7_9->wp_available = 1; - arm7_9->wp1_used = -1; + arm7_9->wp_available_max = 1; + arm7_9->wp1_used_default = -1; return ERROR_OK; } - -int feroceon_examine(struct command_context_s *cmd_ctx, struct target_s *target) +int feroceon_examine(struct target_s *target) { armv4_5_common_t *armv4_5; arm7_9_common_t *arm7_9; int retval; - retval = arm9tdmi_examine(cmd_ctx, target); + retval = arm9tdmi_examine(target); if (retval!=ERROR_OK) return retval; - + armv4_5 = target->arch_info; arm7_9 = armv4_5->arch_info; - + /* the COMMS_CTRL bits are all contiguous */ if (buf_get_u32(arm7_9->eice_cache->reg_list[EICE_COMMS_CTRL].value, 2, 4) != 6) LOG_ERROR("unexpected Feroceon EICE version signature"); - - arm7_9->eice_cache->reg_list[EICE_DBG_CTRL].size = 6; - arm7_9->eice_cache->reg_list[EICE_DBG_STAT].size = 5; + + arm7_9->eice_cache->reg_list[EICE_DBG_CTRL].size = 6; + arm7_9->eice_cache->reg_list[EICE_DBG_STAT].size = 5; arm7_9->has_monitor_mode = 1; - + /* vector catch reg is not initialized on reset */ embeddedice_set_reg(&arm7_9->eice_cache->reg_list[EICE_VEC_CATCH], 0); - + /* clear monitor mode, enable comparators */ embeddedice_read_reg(&arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]); - jtag_execute_queue(); + jtag_execute_queue(); buf_set_u32(arm7_9->eice_cache->reg_list[EICE_DBG_CTRL].value, 4, 1, 0); - buf_set_u32(arm7_9->eice_cache->reg_list[EICE_DBG_CTRL].value, 5, 1, 0); + buf_set_u32(arm7_9->eice_cache->reg_list[EICE_DBG_CTRL].value, 5, 1, 0); embeddedice_store_reg(&arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]); - + return ERROR_OK; }